CWEA Electrical and Instrument Grade 1 Exam
Guide 2026. 300 ACTUAL EXAM QUESTIONS
WITH CORRECT VERIFIED ANSWERS
Save
Terms in this set (137)
Confined Space A space that:
-is large enough to enter and work.
-has limited or restricted means for entry.
-is not designed for continuous occupancy.
Hot Work Permit An employer's written authorization to perform
work capable of providing a source of ignition.
Inerting A form of purging or ventilating a confined space
where an inert gas (such as nitrogen, carbon
dioxide or argon) is used to displace the
atmosphere in a confined space to remove fire or
explosion hazards. Causes oxygen levels to
become unstable for re-entry.
Oxygen Safe Zone 19.5% to 23.5%
Below 19.5=unsafe for breathing
Above 23.5=explosive
Leader Line The part or area of a drawing to which a number,
note or other reference applies. They are solid
lines and usually terminate in a single arrowhead.
, Hydraulic Term: A construction in the bore of the pipe which
"Resistance" requires more pressure to pass the same amount
of water.
Hydraulic Term: Electric potential is equivalent to pressure and
"Voltage" the voltage (or voltage drop/potential difference)
(Assume water is flowing is the difference in pressure between two points.
horizontally so gravity isn't a factor)
Hydraulic Term: Equivalent to a hydraulic volume flow rate; that is
"Current" the volumetric quantity of flowing water over
time.
Ohm's Law Current through a conductor between two points
is directly proportional to the voltage across the
two points.
S.O.P. Standard operating procedure.
N.E.C. National Electrical Code.
N.F.P.A. National Fire Protection Association
NPT National pipe thread. Tapered pipe.
Compound Gauge Displays negative AND positive pressure
measurements
Cat1 Meter Measures electronics
Cat2 Meter Measures single-phase receptacles.
Cat3 Meter Measures 3 phase distribution and single phase
lighting equipment.
Guide 2026. 300 ACTUAL EXAM QUESTIONS
WITH CORRECT VERIFIED ANSWERS
Save
Terms in this set (137)
Confined Space A space that:
-is large enough to enter and work.
-has limited or restricted means for entry.
-is not designed for continuous occupancy.
Hot Work Permit An employer's written authorization to perform
work capable of providing a source of ignition.
Inerting A form of purging or ventilating a confined space
where an inert gas (such as nitrogen, carbon
dioxide or argon) is used to displace the
atmosphere in a confined space to remove fire or
explosion hazards. Causes oxygen levels to
become unstable for re-entry.
Oxygen Safe Zone 19.5% to 23.5%
Below 19.5=unsafe for breathing
Above 23.5=explosive
Leader Line The part or area of a drawing to which a number,
note or other reference applies. They are solid
lines and usually terminate in a single arrowhead.
, Hydraulic Term: A construction in the bore of the pipe which
"Resistance" requires more pressure to pass the same amount
of water.
Hydraulic Term: Electric potential is equivalent to pressure and
"Voltage" the voltage (or voltage drop/potential difference)
(Assume water is flowing is the difference in pressure between two points.
horizontally so gravity isn't a factor)
Hydraulic Term: Equivalent to a hydraulic volume flow rate; that is
"Current" the volumetric quantity of flowing water over
time.
Ohm's Law Current through a conductor between two points
is directly proportional to the voltage across the
two points.
S.O.P. Standard operating procedure.
N.E.C. National Electrical Code.
N.F.P.A. National Fire Protection Association
NPT National pipe thread. Tapered pipe.
Compound Gauge Displays negative AND positive pressure
measurements
Cat1 Meter Measures electronics
Cat2 Meter Measures single-phase receptacles.
Cat3 Meter Measures 3 phase distribution and single phase
lighting equipment.
